fixed duplicate parameter setting in launch file

Author: berndpfrommer

spinnaker_camera_driver/launch/driver_node.launch.py

@@ -173,9 +173,8 @@ def launch_setup(context, *args, **kwargs):
         parameters=[
             example_parameters[camera_type],
             {
-                'flir_camera.image_raw.ffmpeg.encoder': 'hevc_nvenc',
-                'flir_camera.image_raw.ffmpeg.bit_rate': 10000000,
                 'flir_camera.image_raw.ffmpeg.encoder': 'libx264',
+                'flir_camera.image_raw.ffmpeg.bit_rate': 10000000,
                 'parameter_file': parameter_file,
                 'serial_number': [LaunchConfig('serial')],
             },